<!DOCTYPE html>
<html>
  <head>
    <title>Splashscreen</title>
    <style>
      body {
        margin: 0;
      }

      .splashscreen-image {
        background-color: #444;
        background-image: url('icon.png');
        background-position: center;
        background-repeat: no-repeat;
        background-size: 50%;
        width: 100vw !important;
        height: 100vh !important;
        overflow: hidden;
      }
    </style>
  </head>

  <body>
    <div class="splashscreen-image" />
  </body>
</html>
